What sets this analyzer apart from others of its time is the fact that its frequency
coverage is so wide. It covers 10MHz thru’ 12.4GHz in 5 ranges without the need to
change any ‘plug-
But my analyzer was now faulty … What had failed? Essentially everything appeared
to be working … it was just VERY deaf. When you pull the 809-
Turning my attention away from the complicated RF stuff, I investigated the power supplies located on the underside of the display section. Everything was in order, although the 100uF capacitor on the 200V line appeared to have sprouted a ‘wort’ (see below).
Not having a 100uF capacitor to hand, I fitted a high-